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woodpecker/pkg/database/migrate/testing/sqlite_test.go

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package migrate_test
import (
"database/sql"
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"fmt"
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"log"
"os"
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"strings"
"testing"
. "github.com/drone/drone/pkg/database/migrate"
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_ "github.com/go-sql-driver/mysql"
_ "github.com/mattn/go-sqlite3"
"github.com/russross/meddler"
)
type Sample struct {
ID int64 `meddler:"id,pk"`
Imel string `meddler:"imel"`
Name string `meddler:"name"`
}
type RenameSample struct {
ID int64 `meddler:"id,pk"`
Email string `meddler:"email"`
Name string `meddler:"name"`
}
type AddColumnSample struct {
ID int64 `meddler:"id,pk"`
Imel string `meddler:"imel"`
Name string `meddler:"name"`
Url string `meddler:"url"`
Num int64 `meddler:"num"`
}
// ---------- revision 1
type revision1 struct{}
func (r *revision1) Up(mg *MigrationDriver) error {
_, err := mg.CreateTable("samples", []string{
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mg.T.Integer("id", PRIMARYKEY, AUTOINCREMENT),
mg.T.String("imel", UNIQUE),
mg.T.String("name"),
})
return err
}
func (r *revision1) Down(mg *MigrationDriver) error {
_, err := mg.DropTable("samples")
return err
}
func (r *revision1) Revision() int64 {
return 1
}
// ---------- end of revision 1
// ---------- revision 2
type revision2 struct{}
func (r *revision2) Up(mg *MigrationDriver) error {
_, err := mg.RenameTable("samples", "examples")
return err
}
func (r *revision2) Down(mg *MigrationDriver) error {
_, err := mg.RenameTable("examples", "samples")
return err
}
func (r *revision2) Revision() int64 {
return 2
}
// ---------- end of revision 2
// ---------- revision 3
type revision3 struct{}
func (r *revision3) Up(mg *MigrationDriver) error {
if _, err := mg.AddColumn("samples", "url VARCHAR(255)"); err != nil {
return err
}
_, err := mg.AddColumn("samples", "num INTEGER")
return err
}
func (r *revision3) Down(mg *MigrationDriver) error {
_, err := mg.DropColumns("samples", "num", "url")
return err
}
func (r *revision3) Revision() int64 {
return 3
}
// ---------- end of revision 3
// ---------- revision 4
type revision4 struct{}
func (r *revision4) Up(mg *MigrationDriver) error {
_, err := mg.RenameColumns("samples", map[string]string{
"imel": "email",
})
return err
}
func (r *revision4) Down(mg *MigrationDriver) error {
_, err := mg.RenameColumns("samples", map[string]string{
"email": "imel",
})
return err
}
func (r *revision4) Revision() int64 {
return 4
}
// ---------- end of revision 4
// ---------- revision 5
type revision5 struct{}
func (r *revision5) Up(mg *MigrationDriver) error {
_, err := mg.AddIndex("samples", []string{"url", "name"})
return err
}
func (r *revision5) Down(mg *MigrationDriver) error {
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_, err := mg.DropIndex("samples", []string{"url", "name"})
return err
}
func (r *revision5) Revision() int64 {
return 5
}
// ---------- end of revision 5
// ---------- revision 6
type revision6 struct{}
func (r *revision6) Up(mg *MigrationDriver) error {
_, err := mg.RenameColumns("samples", map[string]string{
"url": "host",
})
return err
}
func (r *revision6) Down(mg *MigrationDriver) error {
_, err := mg.RenameColumns("samples", map[string]string{
"host": "url",
})
return err
}
func (r *revision6) Revision() int64 {
return 6
}
// ---------- end of revision 6
// ---------- revision 7
type revision7 struct{}
func (r *revision7) Up(mg *MigrationDriver) error {
_, err := mg.DropColumns("samples", "host", "num")
return err
}
func (r *revision7) Down(mg *MigrationDriver) error {
if _, err := mg.AddColumn("samples", "host VARCHAR(255)"); err != nil {
return err
}
_, err := mg.AddColumn("samples", "num INSTEGER")
return err
}
func (r *revision7) Revision() int64 {
return 7
}
// ---------- end of revision 7
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// ---------- revision 8
type revision8 struct{}
func (r *revision8) Up(mg *MigrationDriver) error {
if _, err := mg.AddColumn("samples", "repo_id INTEGER"); err != nil {
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return err
}
_, err := mg.AddColumn("samples", "repo VARCHAR(255)")
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return err
}
func (r *revision8) Down(mg *MigrationDriver) error {
_, err := mg.DropColumns("samples", "repo", "repo_id")
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return err
}
func (r *revision8) Revision() int64 {
return 8
}
// ---------- end of revision 8
// ---------- revision 9
type revision9 struct{}
func (r *revision9) Up(mg *MigrationDriver) error {
_, err := mg.RenameColumns("samples", map[string]string{
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"repo": "repository",
})
return err
}
func (r *revision9) Down(mg *MigrationDriver) error {
_, err := mg.RenameColumns("samples", map[string]string{
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"repository": "repo",
})
return err
}
func (r *revision9) Revision() int64 {
return 9
}
// ---------- end of revision 9
// ---------- revision 10
type revision10 struct{}
func (r *revision10) Revision() int64 {
return 10
}
func (r *revision10) Up(mg *MigrationDriver) error {
_, err := mg.ChangeColumn("samples", "email", "varchar(512) UNIQUE")
return err
}
func (r *revision10) Down(mg *MigrationDriver) error {
_, err := mg.ChangeColumn("samples", "email", "varchar(255) unique")
return err
}
// ---------- end of revision 10
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var (
db *sql.DB
driver, dsn string
dbname = "drone_test"
)
var testSchema = `
CREATE TABLE samples (
id INTEGER PRIMARY KEY AUTOINCREMENT,
imel VARCHAR(255) UNIQUE,
name VARCHAR(255)
);
`
var dataDump = []string{
`INSERT INTO samples (imel, name) VALUES ('test@example.com', 'Test Tester');`,
`INSERT INTO samples (imel, name) VALUES ('foo@bar.com', 'Foo Bar');`,
`INSERT INTO samples (imel, name) VALUES ('crash@bandicoot.io', 'Crash Bandicoot');`,
}
func TestMigrateCreateTable(t *testing.T) {
defer tearDown()
if err := setUp(); err != nil {
t.Fatalf("Error preparing database: %q", err)
}
mgr := New(db)
if err := mgr.Add(&revision1{}).Migrate(); err != nil {
t.Fatalf("Can not migrate: %q", err)
}
sample := Sample{
ID: 1,
Imel: "test@example.com",
Name: "Test Tester",
}
if err := meddler.Save(db, "samples", &sample); err != nil {
t.Fatalf("Can not save data: %q", err)
}
}
func TestMigrateExistingCreateTable(t *testing.T) {
defer tearDown()
if err := setUp(); err != nil {
t.Fatalf("Error preparing database: %q", err)
}
if _, err := db.Exec(testSchema); err != nil {
t.Fatalf("Can not create database: %q", err)
}
mgr := New(db)
rev := &revision1{}
if err := mgr.Add(rev).Migrate(); err != nil {
t.Fatalf("Can not migrate: %q", err)
}
var current int64
db.QueryRow("SELECT max(revision) FROM migration").Scan(&current)
if current != rev.Revision() {
t.Fatalf("Did not successfully migrate")
}
}
func TestMigrateRenameTable(t *testing.T) {
defer tearDown()
if err := setUp(); err != nil {
t.Fatalf("Error preparing database: %q", err)
}
mgr := New(db)
if err := mgr.Add(&revision1{}).Migrate(); err != nil {
t.Fatalf("Can not migrate: %q", err)
}
loadFixture(t)
if err := mgr.Add(&revision2{}).Migrate(); err != nil {
t.Fatalf("Can not migrate: %q", err)
}
sample := Sample{}
if err := meddler.QueryRow(db, &sample, `SELECT * FROM examples WHERE id = ?`, 2); err != nil {
t.Fatalf("Can not fetch data: %q", err)
}
if sample.Imel != "foo@bar.com" {
t.Errorf("Column doesn't match. Expect: %s, got: %s", "foo@bar.com", sample.Imel)
}
}
type TableInfo struct {
CID int64 `meddler:"cid,pk"`
Name string `meddler:"name"`
Type string `meddler:"type"`
Notnull bool `meddler:"notnull"`
DfltValue interface{} `meddler:"dflt_value"`
PK bool `meddler:"pk"`
}
func TestMigrateAddRemoveColumns(t *testing.T) {
defer tearDown()
if err := setUp(); err != nil {
t.Fatalf("Error preparing database: %q", err)
}
mgr := New(db)
if err := mgr.Add(&revision1{}, &revision3{}).Migrate(); err != nil {
t.Fatalf("Can not migrate: %q", err)
}
var columns []*TableInfo
if err := meddler.QueryAll(db, &columns, `PRAGMA table_info(samples);`); err != nil {
t.Fatalf("Can not access table info: %q", err)
}
if len(columns) < 5 {
t.Errorf("Expect length columns: %d\nGot: %d", 5, len(columns))
}
var row = AddColumnSample{
ID: 33,
Name: "Foo",
Imel: "foo@bar.com",
Url: "http://example.com",
Num: 42,
}
if err := meddler.Save(db, "samples", &row); err != nil {
t.Fatalf("Can not save into database: %q", err)
}
if err := mgr.MigrateTo(1); err != nil {
t.Fatalf("Can not migrate: %q", err)
}
var another_columns []*TableInfo
if err := meddler.QueryAll(db, &another_columns, `PRAGMA table_info(samples);`); err != nil {
t.Fatalf("Can not access table info: %q", err)
}
if len(another_columns) != 3 {
t.Errorf("Expect length columns = %d, got: %d", 3, len(columns))
}
}
func TestRenameColumn(t *testing.T) {
defer tearDown()
if err := setUp(); err != nil {
t.Fatalf("Error preparing database: %q", err)
}
mgr := New(db)
if err := mgr.Add(&revision1{}, &revision4{}).MigrateTo(1); err != nil {
t.Fatalf("Can not migrate: %q", err)
}
loadFixture(t)
if err := mgr.MigrateTo(4); err != nil {
t.Fatalf("Can not migrate: %q", err)
}
row := RenameSample{}
if err := meddler.QueryRow(db, &row, `SELECT * FROM samples WHERE id = 3;`); err != nil {
t.Fatalf("Can not query database: %q", err)
}
if row.Email != "crash@bandicoot.io" {
t.Errorf("Expect %s, got %s", "crash@bandicoot.io", row.Email)
}
}
func TestMigrateExistingTable(t *testing.T) {
defer tearDown()
if err := setUp(); err != nil {
t.Fatalf("Error preparing database: %q", err)
}
if _, err := db.Exec(testSchema); err != nil {
t.Fatalf("Can not create database: %q", err)
}
loadFixture(t)
mgr := New(db)
if err := mgr.Add(&revision4{}).Migrate(); err != nil {
t.Fatalf("Can not migrate: %q", err)
}
var rows []*RenameSample
if err := meddler.QueryAll(db, &rows, `SELECT * from samples;`); err != nil {
t.Fatalf("Can not query database: %q", err)
}
if len(rows) != 3 {
t.Errorf("Expect rows length = %d, got %d", 3, len(rows))
}
if rows[1].Email != "foo@bar.com" {
t.Errorf("Expect email = %s, got %s", "foo@bar.com", rows[1].Email)
}
}
type sqliteMaster struct {
Sql interface{} `meddler:"sql"`
}
func TestIndexOperations(t *testing.T) {
defer tearDown()
if err := setUp(); err != nil {
t.Fatalf("Error preparing database: %q", err)
}
mgr := New(db)
// Migrate, create index
if err := mgr.Add(&revision1{}, &revision3{}, &revision5{}).Migrate(); err != nil {
t.Fatalf("Can not migrate: %q", err)
}
var esquel []*sqliteMaster
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switch {
case driver == "mysql":
default:
// Query sqlite_master, check if index is exists.
query := `SELECT sql FROM sqlite_master WHERE type='index' and tbl_name='samples'`
if err := meddler.QueryAll(db, &esquel, query); err != nil {
t.Fatalf("Can not find index: %q", err)
}
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indexStatement := `CREATE INDEX idx_samples_on_url_and_name ON samples (url, name)`
if string(esquel[1].Sql.([]byte)) != indexStatement {
t.Errorf("Can not find index, got: %q", esquel[1])
}
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// Migrate, rename indexed columns
if err := mgr.Add(&revision6{}).Migrate(); err != nil {
t.Fatalf("Can not migrate: %q", err)
}
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var esquel1 []*sqliteMaster
if err := meddler.QueryAll(db, &esquel1, query); err != nil {
t.Fatalf("Can not find index: %q", err)
}
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indexStatement = `CREATE INDEX idx_samples_on_host_and_name ON samples (host, name)`
if string(esquel1[1].Sql.([]byte)) != indexStatement {
t.Errorf("Can not find index, got: %q", esquel1[1])
}
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if err := mgr.Add(&revision7{}).Migrate(); err != nil {
t.Fatalf("Can not migrate: %q", err)
}
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var esquel2 []*sqliteMaster
if err := meddler.QueryAll(db, &esquel2, query); err != nil {
t.Fatalf("Can not find index: %q", err)
}
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if len(esquel2) != 1 {
t.Errorf("Expect row length equal to %d, got %d", 1, len(esquel2))
}
}
}
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func TestColumnRedundancy(t *testing.T) {
defer tearDown()
if err := setUp(); err != nil {
t.Fatalf("Error preparing database: %q", err)
}
migr := New(db)
if err := migr.Add(&revision1{}, &revision8{}, &revision9{}).Migrate(); err != nil {
t.Fatalf("Can not migrate: %q", err)
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}
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var dummy, query, tableSql string
switch {
case driver == "mysql":
query = `SHOW CREATE TABLE samples`
if err := db.QueryRow(query).Scan(&dummy, &tableSql); err != nil {
t.Fatalf("Can not query table's definition: %q", err)
}
if !strings.Contains(tableSql, "`repository`") {
t.Errorf("Expect column with name repository")
}
default:
query = `SELECT sql FROM sqlite_master where type='table' and name='samples'`
if err := db.QueryRow(query).Scan(&tableSql); err != nil {
t.Fatalf("Can not query sqlite_master: %q", err)
}
if !strings.Contains(tableSql, "repository ") {
t.Errorf("Expect column with name repository")
}
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}
}
func TestChangeColumnType(t *testing.T) {
defer tearDown()
if err := setUp(); err != nil {
t.Fatalf("Error preparing database: %q", err)
}
migr := New(db)
if err := migr.Add(&revision1{}, &revision4{}, &revision10{}).Migrate(); err != nil {
t.Fatalf("Can not migrate: %q", err)
}
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var dummy, tableSql, query string
switch {
case driver == "mysql":
query = `SHOW CREATE TABLE samples`
if err := db.QueryRow(query).Scan(&dummy, &tableSql); err != nil {
t.Fatalf("Can not query table's definition: %q", err)
}
if !strings.Contains(tableSql, "`email` varchar(512)") {
t.Errorf("Expect email type to changed: %q", tableSql)
}
default:
query = `SELECT sql FROM sqlite_master where type='table' and name='samples'`
if err := db.QueryRow(query).Scan(&tableSql); err != nil {
t.Fatalf("Can not query sqlite_master: %q", err)
}
if !strings.Contains(tableSql, "email varchar(512) UNIQUE") {
t.Errorf("Expect email type to changed: %q", tableSql)
}
}
}
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func init() {
if driver = os.Getenv("DB_ENV"); len(driver) == 0 {
driver = "sqlite3"
}
if dsn = os.Getenv("MYSQL_LOGIN"); len(dsn) == 0 {
dsn = ":memory:"
}
}
func setUp() error {
var err error
Driver = SQLite
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if db, err = sql.Open(driver, dsn); err != nil {
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log.Fatalf("Can't connect to database: %q", err)
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}
if driver == "mysql" {
Driver = MySQL
if _, err := db.Exec(fmt.Sprintf("CREATE DATABASE %s", dbname)); err != nil {
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panic("Can't create database")
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}
if _, err := db.Exec(fmt.Sprintf("USE %s", dbname)); err != nil {
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panic("Can't use database")
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}
}
return err
}
func tearDown() {
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if driver == "mysql" {
db.Exec(fmt.Sprintf("DROP DATABASE %s", dbname))
}
db.Close()
}
func loadFixture(t *testing.T) {
for _, sql := range dataDump {
if _, err := db.Exec(sql); err != nil {
t.Fatalf("Can not insert into database: %q", err)
}
}
}